Hydronic zone controller



FIG. 1 is a perspective view of a hydronic zone controller with a cover removed and shown in broken lines;

FIG. 2 is a front elevation view of the hydronic zone controller of FIG. 1;

FIG. 3 is a front elevation view of the hydronic zone controller of FIG. 1 with user interface elements added on the centrally located user interface;

FIGS. 4-7 are left, right, top and bottom views, respectively, of the hydronic zone controller of FIG. 1;

FIG. 8 is a perspective view of another hydronic zone controller with a cover removed and shown in broken lines;

FIG. 9 is a front elevation view of the hydronic zone controller of FIG. 8;

FIG. 10 is a front elevation view of the hydronic zone controller of FIG. 8 with user interface elements added on the centrally located user interface; and,

FIGS. 11-14 are left, right, top and bottom views, respectively, of the hydronic zone controller of FIG. 8.

The portions illustrated in broken lines on the figures are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a hydronic zone controller, as shown and described. 